Clabby, J. F. (2007). Brigadier John Tiltman: A giant among cryptanalysts. Center for Cryptologic History, National Security Agency.
Style de citation Chicago (17e éd.)Clabby, John F. Brigadier John Tiltman: A Giant Among Cryptanalysts. Fort George G. Meade, Md.: Center for Cryptologic History, National Security Agency, 2007.
Style de citation MLA (8e éd.)Clabby, John F. Brigadier John Tiltman: A Giant Among Cryptanalysts. Center for Cryptologic History, National Security Agency, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.